– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4am Sun 13 Jun Local TimeUpdates in: hr min sUpdate imminent
South Twin SisterWeather Forecast, United States
Issued: 4am Sun 13 Jun Local Time
Updates in: hr min s
Update imminent Issued: 4am Sun 13 Jun Local Time
Updates in: hr min s
Update imminent 
South Twin Sister Weather (Days 0-3):Heavy rain (total 24mm), heaviest during Sun afternoon. Very mild (max 19°C on Mon afternoon, min 8°C on Tue night). Wind will be generally light. |
(Days 3-6):Mostly dry. Warm (max 24°C on Thu afternoon, min 10°C on Fri night). Wind will be generally light. |
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Sunday
13
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Monday
14
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Tuesday
15
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Wednesday
16
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Thursday
17
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Friday
18
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AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night |
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Wind
km/h
|
 10 |
10 |
5 |
5 |
5 |
5 |
10 |
5 |
0 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
10 |
5 |
| light rain | mod. rain | light rain | some clouds | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | clear | clear | clear | clear | clear | clear | clear | some clouds | some clouds | |
Rain
mm
|
4 | 8 | 3 | - | 1 | 2 | 1 | 3 | 2 | - | - | - | - | - | - | - | - | - |
Snow
cm
|
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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High
°C
|
14 | 14 | 14 | 17 | 19 | 16 | 14 | 15 | 12 | 15 | 19 | 16 | 21 | 24 | 21 | 21 | 21 | 17 |
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Low
°C
|
13 | 14 | 13 | 14 | 17 | 11 | 12 | 14 | 8 | 11 | 18 | 12 | 17 | 24 | 16 | 19 | 21 | 10 |
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Chill
°C
|
14 | 14 | 14 | 17 | 19 | 16 | 14 | 15 | 12 | 15 | 19 | 16 | 21 | 24 | 21 | 21 | 21 | 17 |
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Freezing level
m
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2850 | 2850 | 3150 | 2850 | 2800 | 2600 | 2300 | 2350 | 2250 | 2950 | 3300 | 3700 | 3750 | 3900 | 3950 | 3700 | 3450 | 3300 |
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5:03 | - | - | 5:03 | - | - | 5:03 | - | - | 5:03 | - | - | 5:03 | - | - | 5:03 | - | - |
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- | 9:10 | - | - | 9:10 | - | - | 9:12 | - | - | 9:12 | - | - | 9:13 | - | - | 9:13 | - |
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 24mm), heaviest during Sun afternoonVery mild (max 19°C on Mon afternoon, min 8°C on Tue night)Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dryWarm (max 24°C on Thu afternoon, min 10°C on Fri night)Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
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